Comparison

Period & Ovulation Calculator vs Period Tracker

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Period & Ovulation Calculator

This app helps users track their menstrual cycles, predict ovulation dates, and identify fertile windows. It also assists in calculating pregnancy test dates and expected labor dates, offering a comprehensive tool for family planning and fertility awareness.

Highlights
  • Track period dates
  • Predict ovulation dates
  • Identify fertile days
  • Calculate pregnancy test dates
  • Estimate expected labor dates
  • Pin lock protection
Features
Read full description

Are you planning to add a member to your family? If yes, then it sounds pretty awesome! Go ahead and start using this ovulation tracker, fertility tracker, ovulation calculator fertility tracker, period calendar and menstrual calendar, period app, cycle tracker, period tracker pregnancy and baby calendar & my period tracker app that will make you track your upcoming period date, ovulation date, fertility window, pregnancy test date, safe days, and your expected date of labor. Make use of our best ovulation fertility tracker & period tracker pregnancy and baby calendar to get yourself aware of: - Next period: Predict your next period that is about to come in a few days or more. - Ovulation date: When a woman tries to get pregnant, it is very important for her to know her date of ovulation. During ovulation, the chances of getting pregnant are at their peak and possibility of positive results is maximum. - Fertile days: Get to know your fertile days during which the chances of ovulation are higher than normal days. - Pregnancy test date: This is the most important factor that must be taken into account. Every woman remains conscious about when she will get pregnant and when to test it. And this is where an ovulation app & period tracker pregnancy and baby calendar, ovulation tracker, fertility tracker, ovulation calculator fertility tracker, period calendar and menstrual calendar tells you to do so. Features of ovulation calculator fertility tracker & menstrual calendar app: - User friendly interface - Pin lock protection - Track period date - Track ovulation date - Track fertile days - Track safe days - Pregnancy test date tracker - Expected labor date Disclaimer: This ovulation tracker app only provides calculations/information for general guidance and should not be taken into account as a sole method for family planning or contraception. Consult a Medical Expert for any personalized advice. Subscribe to access to premium app features; subscription details are the following: - Length: monthly, yearly - Your payment will be charged to your iTunes Account as soon as you confirm your purchase - You can manage your subscriptions and turn off auto-renewal from your Account Settings after the purchase - Your subscription will renew automatically, unless you turn off auto-renew at least 24 hours before the end of the current period - The cost of renewal will be charged to your account in the 24 hours prior to the end of the current period - When canceling a subscription, your subscription will stay active until the end of the period. Auto-renewal will be disabled, but the current subscription will not be refunded - Any unused portion of a free trial period, if offered, will be forfeited when purchasing a subscription Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Period Tracker

This app helps you track your menstrual cycle, predict ovulation, and log symptoms. It offers personalized insights and gentle reminders to help you understand your body better. Designed for simplicity and privacy, it's a comprehensive tool for managing your reproductive health.

Highlights
  • Menstrual cycle tracking
  • Ovulation prediction
  • Period and flow logging
  • Symptom and emotion tracking
  • Personalized insights
  • Gentle reminders
Read full description

Meet Ruby – your simple, smart, and free period tracker. Whether you want to track your menstrual cycle, get accurate ovulation predictions, or simply have a clue about your period, Ruby makes it easy to understand your body. Think of it as having Aunt Flo, Aunt Ruby, and your own personal cycle tracker all in one app. With Ruby, you can: - Log your period, flow, and symptoms with just a tap - Use our ovulation tracker to know your most fertile days - Predict cycles with a free period tracker that adapts to you - Track emotions, energy, stress, and notes in one place - Get gentle reminders for upcoming periods, ovulation, and fertile windows Why choose Ruby? - Simple & private – Easy to use, built with privacy in mind. - Your cycle, your way – From teens starting their first period, to women tracking fertility, pregnancy, or perimenopause. - More than a calendar – Ruby helps you spot patterns, manage PMS, and make your cycle feel less of a mystery. How Ruby Stands Out - Have a lively cycle every month with personalized insights. - Finally, an app that helps you truly have a clue about your period. - Forget “my cycle” being hard to remember—Ruby keeps it all logged for you. It's just a clean free period app experience. Privacy policy: https://bit.ly/rafiki-privacy-policy Terms of use: https://bit.ly/rafiki-terms-of-service

Screenshots

Period & Ovulation Calculator4 screens
Period Tracker4 screens

Verdict

The call

The clearest difference is review sentiment: Period Tracker at 100% against Period & Ovulation Calculator's 50%. Period Tracker also leads on rating (5.0 vs 4.4) and in-app purchases (none vs 10). Period & Ovulation Calculator's advantage is ratings volume (632 vs 3) and iOS requirement (14.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Period & Ovulation Calculator sells 10 in-app purchases, starting at $1.99 per 7 days. Period Tracker asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Period Tracker holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Period & Ovulation Calculator has 632 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 50% of Period & Ovulation Calculator's written reviews are positive against 100% of Period Tracker's.

UpkeepUpdate frequency

Period & Ovulation Calculator ships an update every 3 weeks, Period Tracker every 2 weeks. Both last shipped on October 25, 2026.

Scorecard6 real differences · 4 level
Period & Ovulation Calculator versus Period Tracker: the parameters behind the verdict, then further details
ParameterPeriod & Ovulation CalculatorPeriod Tracker
PriceFreeFree
Rating4.4 (632 ratings)5.0 (3 ratings) — better
Positive reviews50.0% of reviews100.0% of reviews — better
Number of ratings632 — better3
Update frequencyEvery 3 weeksEvery 2 weeks — better
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS14.0 — better17.0
Further details — not scored
Size94 MB47 MB
Age rating4+12+
DeveloperAESTHETIC WIDGETS LTDRafiki Apps LLC

Customer experience

Period & Ovulation Calculator

All ratings611 ratings
Positive84.1%
Neutral4.9%
Negative11.0%
Written reviews38 reviews
Positive50.0%
Neutral2.6%
Negative47.4%

Period Tracker

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

10 purchases

Period & Ovulation Calculator

Subscriptions9
  • Ovulation Calculator Weekly$1.997 Days
  • Weekly premium7 Days trial$2.997 Days
  • Weekly premium$2.997 Days
Show 6 more
  • Ovulation Calculator Monthly$6.991 Month
  • Monthly Premium7 Days trial$9.991 Month
  • Monthly Premium$9.991 Month
  • Yearly premium7 Days trial$29.991 Year
  • Yearly premium$29.991 Year
  • Ovulation Calculator Yearly$49.991 Year
One-time1
  • Ovulation Calculator Lifetime$99.99
None

Period Tracker

No in-app purchases

Questions

Is Period & Ovulation Calculator free?
Period & Ovulation Calculator is free to download, with in-app purchases available.
Is Period Tracker free?
Period Tracker is free to download, with no in-app purchases.
Which has better reviews, Period & Ovulation Calculator or Period Tracker?
Period Tracker is rated higher. Period & Ovulation Calculator averages 4.4 out of 5 from 632 ratings, while Period Tracker averages 5.0 from 3 ratings.
Do Period & Ovulation Calculator or Period Tracker have ads?
Both Period & Ovulation Calculator and Period Tracker show ads.
Which is updated more often, Period & Ovulation Calculator or Period Tracker?
Period & Ovulation Calculator ships an update every 3 weeks, and Period Tracker every 2 weeks. Most recently, Period & Ovulation Calculator was updated on October 25, 2026 and Period Tracker on October 25, 2026.

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